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In this study, black carbon from pine cone (BCPC) and acidic-modified BCPC (MBCPC) powder as a popular agricultural waste in the southeast of Iran were used for cadmium removal from aqueous solutions. The effect of various factors, such as surface chemistry and dosage of adsorbent, contact time, size of particles, initial concentration of cadmium, temperature, and pH of aqueous solutions, was investigated. The results show cadmium removal with usage of the mentioned adsorbents increased after acidic modification....

Measurements of individual vehicle emissions are usually made in laboratory tests. In this study, researchers followed cars driving in real conditions to measure emissions of air pollutants, including black carbon and nitrogen oxides. The study shows that diesel cars contribute disproportionately to air pollution, and highlights the value of on-road measurements.
Vehicle traffic is a major source of air pollution, linked to respiratory disease and premature death. A recent study found transport emissions in the...

Black carbon (BC) is increasingly discussed in science and environmental policy areas as an example of an air pollutant that affects both human health and contributes to climate change (e.g. WHO, 2012; UNEP/WMO, 2011; Bond et al., 2013; IPCC, 2013). In order to be able to make comparable measurements of BC in ambient air and to relate BC monitoring to health impacts and climate change it is important to understand how BC is defined.This report provides a summary of BC definitions as discussed in the air quality...

Dear Arctic Environment Ministers,
We, the undersigned non-governmental organizations, write to urge you to use the occasion of the historic second meeting of Arctic environment ministers to strongly encourage Arctic states to take significant action to reduce emissions of black carbon.
Last year the Arctic experienced record melting of both summer sea ice and the Greenland Ice Sheet and land glaciers, with grave implications for Arctic peoples and biodiversity, and for low-lying nations and communities around...

On 8th January 2012 a tiny ultra-light aircraft left Ljubljana in Slovenia on a mission to circumvent the globe using the smallest amount of fuel per distance flown whilst recording ambient levels of Black Carbon (BC) – one of the most important measures of air quality in terms of both human health and climate change. UK based particulate monitoring specialist Jim Mills from Air Monitors says the project, which is known as ‘GreenLight WorldFlight’, “is tremendously exciting because it...

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